A fully grouted reinforced masonry wall is to be constructed of 8-in. CMU. The wall height is 18feet. It is assumed to be simply supported. The wall is to be designed for an out-of-plane seismicload of 52 lbs./ft.2, which can act in either direction. The wall also supports a roof dead load of600 lbs./ft. and a roof live load of 300 lbs./ft. along the wall length. The roof loads have aneccentricity of 2.5 inches. Since there is seismic load, load combinations (6) and (7) in Chapter 2of ASCE 7-22 should be considered. In these two load combinations,horizontal seismic loadhE =andvertical seismic loadvE = . You may ignorevE in this problem for simplicity. The masonryhas a specified compressive strength of 2,500 psi. (a) Use the strength design provisions of TMS402 to determine the size and spacing of the vertical bars needed. Use the P-δ analysis method inSection 9.3.4.4.2 of TMS 402 to determine Mu. (b) Repeat the design using the momentmagnification method in Section 9.3.4.4.3 instead.
A fully grouted reinforced masonry wall is to be constructed of 8-in. CMU. The wall height is 18feet. It is assumed to be simply supported. The wall is to be designed for an out-of-plane seismicload of 52 lbs./ft.2, which can act in either direction. The wall also supports a roof dead load of600 lbs./ft. and a roof live load of 300 lbs./ft. along the wall length. The roof loads have aneccentricity of 2.5 inches. Since there is seismic load, load combinations (6) and (7) in Chapter 2of ASCE 7-22 should be considered. In these two load combinations,horizontal seismic loadhE =andvertical seismic loadvE = . You may ignorevE in this problem for simplicity. The masonryhas a specified compressive strength of 2,500 psi. (a) Use the strength design provisions of TMS402 to determine the size and spacing of the vertical bars needed. Use the P-δ analysis method inSection 9.3.4.4.2 of TMS 402 to determine Mu. (b) Repeat the design using the momentmagnification method in Section 9.3.4.4.3 instead.
Principles of Geotechnical Engineering (MindTap Course List)
9th Edition
ISBN:9781305970939
Author:Braja M. Das, Khaled Sobhan
Publisher:Braja M. Das, Khaled Sobhan
Chapter14: Lateral Earth Pressure: Curved Failure Surface
Section: Chapter Questions
Problem 14.6P
Related questions
Question
A fully grouted reinforced masonry wall is to be constructed of 8-in. CMU. The wall height is 18
feet. It is assumed to be simply supported. The wall is to be designed for an out-of-plane seismic
load of 52 lbs./ft.2, which can act in either direction. The wall also supports a roof dead load of
600 lbs./ft. and a roof live load of 300 lbs./ft. along the wall length. The roof loads have an
eccentricity of 2.5 inches. Since there is seismic load, load combinations (6) and (7) in Chapter 2
of ASCE 7-22 should be considered. In these two load combinations,horizontal seismic loadhE =
andvertical seismic loadvE = . You may ignorevE in this problem for simplicity. The masonry
has a specified compressive strength of 2,500 psi. (a) Use the strength design provisions of TMS
402 to determine the size and spacing of the vertical bars needed. Use the P-δ analysis method in
Section 9.3.4.4.2 of TMS 402 to determine Mu. (b) Repeat the design using the moment
magnification method in Section 9.3.4.4.3 instead.
feet. It is assumed to be simply supported. The wall is to be designed for an out-of-plane seismic
load of 52 lbs./ft.2, which can act in either direction. The wall also supports a roof dead load of
600 lbs./ft. and a roof live load of 300 lbs./ft. along the wall length. The roof loads have an
eccentricity of 2.5 inches. Since there is seismic load, load combinations (6) and (7) in Chapter 2
of ASCE 7-22 should be considered. In these two load combinations,horizontal seismic loadhE =
andvertical seismic loadvE = . You may ignorevE in this problem for simplicity. The masonry
has a specified compressive strength of 2,500 psi. (a) Use the strength design provisions of TMS
402 to determine the size and spacing of the vertical bars needed. Use the P-δ analysis method in
Section 9.3.4.4.2 of TMS 402 to determine Mu. (b) Repeat the design using the moment
magnification method in Section 9.3.4.4.3 instead.
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